Several differential operational circuits based on the operational amplifier are researched in detail.
详细研究几种基于集成运算放大器的差分运算电路。
And used the Miller compensate technology with a adjusting zero resistance to compensate the operational amplifier.
并采用带有调零电阻的密勒补偿技术对运放进行频率补偿。
This paper introduces the application of single chip microprocessor in the operational amplifier (op) measuring system.
本文介绍单片机在运算放大器测试系统中的应用。
A full-scale analysis of input impedance of the operational amplifier under the state of differential input is given here.
本文对运算放大器在差动输入状态下的输入阻抗问题做了全面的分析。
The operational amplifier outputs a voltage for controlling grid electrode based on the said linear voltage and an input voltage.
一运算放大器，根据线性电压与输入电压输出一栅控电压；
This paper discusses an useful method by which the multiple nodes circuit composed of the operational amplifier is described using admittance matrix.
本文讨论用导纳矩阵描述多节点运算放大器电路的有用方法。
The MCU replaces the operational amplifier circuit so as to strengthen the system of common-mode rejection, improve the problems of weak signal transmission.
更换了运算放大调理电路增强了系统的共模抑制能力，改善微弱信号传输中的问题；
There may be saturation in the differential circuit built with the operational amplifier (op amp), which causes that the relationship between input and output is not differential expression.
用运算放大器构造的微分电路可能存在饱和现象，导致输出与输入电压之间不满足微分关系，使微分电路失去应有性能。
The principle of transforming current to voltage is analyzed, and it is pointed out that the error factors mainly consist in the bias current and offset voltage of the operational amplifier.
分析了电流—电压转换原理，指出转换误差主要来源于偏置电流及失调电压。
A current optimization technique is proposed by making a specification optimization of the Operational Transconductance Amplifier in loop filter.
经由将回路滤波器中的运算跨导放大器的规格做最佳化，一个电流最佳化的技术被提出。
The temperature information acquisition unit based on C8051F330 is composed of processor, analog front-end operational amplifier, serial port communications and so on.
基于C8051F330的温度信息采集器，由处理器、模拟前端运算放大器和串口通讯等组成。
The produce of the linear module 8fc750 series is the low consumed power integrated operational amplifier made in China.
线性组件8fc750系列产品，是我国生产的低功耗集成运算放大器。
It proposes using a noninverting amplifier consisting of a high accuracy and low drift integrated operational amplifier OP. 07 as a buffer amplifier in the circuit.
提出用高精度低漂移集成运算放大器OP-07组成同相放大器，作为监测电路的缓冲放大器；
This paper presents a detailed discussion of the method for measuring low frequency noise in operational amplifier devices as well as an analysis of some key problems in the measuring process.
本文中详细给出了运放器件低频噪声的测试方法并对测试过程中的若干关键问题进行了深入剖析。
The simulation results show the open-loop and closed-loop frequency responses, output saturation, and the slew-rate of operational amplifier are truly reflected by this model.
仿真结果显示，运放开环与闭环时的频率响应、输出饱和、转换速率等特性得到了真实的反映。
The circuit is constructed by a operational amplifier and bipolar transistor current mirrors with multiple outputs.
该电路由一集成运算放大器及多端输出的双极晶体管电流镜构成。
In the case of ideal operational amplifier, circuit analysis was simplified by the ideal summing point restraints of zero voltage and zero current at the inverting input.
对于理想的运算放大器而言，通过倒相输入处零电压和零电流的理想求和点限制，可以简化电路分析过程。
The paper designs a low voltage, micro power CMOS operational amplifier with rail-to-rail output.
完成了一个低压微功耗CMOS轨至轨输出运算放大器的研究设计。
Analyzes the characteristics of vortex signal, designs a differential charge amplifier with gain adaptive function, and analyzes its operational principle.
分析了涡街流量信号的特点，设计了增益自适应差动电荷放大器并介绍了它的工作原理。
Some teaching material treat that the integrated operational amplifier which makes up the voltage comparer only works in the nonlinear area.
在一些教材中论述，构成电压比较器的集成运算放大器仅仅是工作在非线性区。
A fully differential operational amplifier is introduced in the design of wideband limiting amplifier which can restrain the common noise effectively.
在带宽限制放大器电路的设计中使用了全差分运放结构，能有效抑制电路的共模噪声。
The gain of this operational amplifier is voltage controlled and can be adjusted by voltage variation through P2.
这种运算放大器的增益电压控制，并可以通过P2电压变化调整。
Using the characteristic of integrated operational amplifier, an electric bridge circuit sensor without nonlinear error in its output voltage is designed.
利用集成运算放大器的特点，设计了输出电压无非线性误差的电桥电路传感器。
Author discusses wholly the treatments of three analytical techniques for linear operational amplifier circuits.
在此基础上，系统地论述了线性运算放大器电路分析的三种方法。
After discussing how the input offset current influences the output of operational amplifier, the optimal relationship between peripheral impedance is obtained.
通过讨论输入失调电流对集成运算放大器输出的影响，推导出集成运算放大器外围阻抗的最佳取值关系。
The application of operational amplifier is very wide. It's usually applied to signal operation, signal processing and wave generation.
运算放大器的应用非常广，最常见的有信号运算方面的应用、信号处理方面的应用和产生波形方面的应用。
This kind of operational amplifier has higher dynamic scope and has solved the problem that the signal amplitude gets limit by the bias voltage, and has higher bandwidth.
这种运算放大器具有较高的动态范围，并解决了偏置电压引起的信号摆幅受限的问题，而且具有更高的带宽。
This paper describes the design of automatic multi-parameter testing system of general purpose operational amplifier.
设计描述了通用型运算放大器参数自动测试系统的设计。
In this paper, the electric circuit of linear negative resistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
本文给出用运算放大器实现负电阻的实验电路及其分析，主要讨论电路的稳定条件。
Experiments showed that the gain-bandwidth of the subtracting operational amplifier is the key of hardware method.
实验表明减法运算放大器增益带宽是硬件方法的关键。
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